BioStacks
Best for
Ingredients (3)
Coenzyme Q10
100%Dose
100 mg
Target
100–300 mg
Form
—
Riboflavin
3%Dose
0.8 mg
Target
25–100 mg
Form
Budget
Thiamine
3%Dose
0.7 mg
Target
25–100 mg
Form
Not listed
Other Ingredients (4)
Rice FlourFiller
Rice-based ingredients carry risk of inorganic arsenic contamination (FDA and Consumer Reports). Rice accumulates arsenic from soil at higher rates than other grains. Used as a cheap filler — adds nothing beneficial.
Microcrystalline CelluloseBinder
Plant-derived cellulose used as a binder and filler in supplements
StarchBinder
Carbohydrate polymer used as a binder, filler, and disintegrant in tablets and capsules
Sunflower LecithinEmulsifier
Non-GMO, non-allergenic emulsifier derived from sunflower seeds
How to Take It
Best taken in the morning
The Vitamin B2 in it is what pulls this toward the morning. What's in this absorbs poorly without a fat-containing meal — take it with one.
With a meal containing fat
On the label
Take 1 capsule daily as a dietary supplement or as directed by your healthcare professional.
General guidance based on the ingredients, not a substitute for the label or your doctor.
Price Check
$32.99
Pricier than 99% of 30 vitamin B2 supplements
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Sources & Scoring
Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and National Academies Dietary Reference Intakes (DRI).
This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.
The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.